40091626 has 8 divisors (see below), whose sum is σ = 60166080. Its totient is φ = 20036268.

The previous prime is 40091591. The next prime is 40091629. The reversal of 40091626 is 62619004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40091594 and 40091603.

It is not an unprimeable number, because it can be changed into a prime (40091629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3025 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (7520760).

Almost surely, 2^40091626 is an apocalyptic number.

40091626 is a deficient number, since it is larger than the sum of its proper divisors (20074454).

40091626 is a wasteful number, since it uses less digits than its factorization.

40091626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9548.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 40091626 is about 6331.7948482243. The cubic root of 40091626 is about 342.2561206294.

The spelling of 40091626 in words is "forty million, ninety-one thousand, six hundred twenty-six".